Definitions for unionidae

This page provides all possible meanings and translations of the word unionidae

Princeton's WordNet

  1. Unionidae, family Unionidae(noun)

    freshwater mussels found worldwide


  1. Unionidae

    The Unionidae are a family of freshwater mussels, the largest in the order Unionoida, the bivalve mollusks sometimes known as river mussels, naiads, or simply as unionids. The range of distribution for this family is world-wide. It is at its most diverse in North America, with about 297 recognised taxa, but China and Southeast Asia also support very diverse faunas. Freshwater mussels occupy a wide range of habitats, but most often occupy lotic waters, i.e. flowing water such as rivers, streams and creeks.

U.S. National Library of Medicine

  1. Unionidae

    A family of freshwater mussels in the class BIVALVIA. They differ from ZEBRA MUSSELS in that they are larger and posses a larval stage called glochidia, which requires attachment to the GILLS or fins of particular species of FISHES.


Find a translation for the unionidae definition in other languages:

Select another language:

Discuss these unionidae definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"unionidae." STANDS4 LLC, 2015. Web. 29 Jan. 2015. <>.

Are we missing a good definition for unionidae?

The Web's Largest Resource for

Definitions & Translations

A Member Of The STANDS4 Network

Nearby & related entries:

Alternative searches for unionidae: